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// license:BSD-3-Clause
// copyright-holders:David Haywood, Peter Wilhelmsen, Kevtris
#ifndef MAME_VIDEO_GAMATE_H
#define MAME_VIDEO_GAMATE_H
#pragma once
#include "emupal.h"
DECLARE_DEVICE_TYPE(GAMATE_VIDEO, gamate_video_device)
class gamate_video_device : public device_t,
public device_memory_interface
{
public:
// construction/destruction
gamate_video_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
void lcdcon_w(uint8_t data);
void xscroll_w(uint8_t data);
void yscroll_w(uint8_t data);
void xpos_w(uint8_t data);
void ypos_w(uint8_t data);
uint8_t vram_r();
void vram_w(uint8_t data);
void regs_map(address_map &map);
void vram_map(address_map &map);
protected:
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
virtual space_config_vector memory_space_config() const override;
address_space *m_vramspace = nullptr;
private:
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void gamate_palette(palette_device &palette) const;
const address_space_config m_vram_space_config;
required_shared_ptr<uint8_t> m_vram;
void set_vram_addr_lower_5bits(uint8_t data);
void set_vram_addr_upper_8bits(uint8_t data);
void increment_vram_address();
void get_real_x_and_y(int &ret_x, int &ret_y, int scanline);
int get_pixel_from_vram(int x, int y);
int m_vramaddress;
int m_bitplaneselect;
int m_scrollx;
int m_scrolly;
int m_window;
int m_swapplanes;
int m_incrementdir;
int m_displayblank;
};
#endif // MAME_VIDEO_GAMATE_H
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